Beisler 1220-4 - Manual (Page 48)

Operating manual Automatic single head serging unit 1220/4
Page 6-24 © Beisler GmbH, Hösbach
6.5.3.2 In seam direction (to the left grab)
When the right grab crosses the left, distance ‘A’ shall be 0.5 mm and
distance ‘B’ 0.2 mm.
1. Turn the hand wheel in turn direction until the right grab
crosses the left.
2. Turn and push the right grab, that distance ‘A’ is 0.5 mm
and distance ‘B’ 0.2 mm.
3. Tighten screw (4) in this position.
4. Check all adjustements again and readjust them if required.
5. Mount threat guidings (1) (2) and cover (3).
6. Adjust the threat guidings according to the chapter ‘Threat
regulation of the ‘Überwendlich’ grabber’.
The right ‘Überwendlich’ grab depends on the thickness of the needle.
Use the grab with indication number 28 for needles 60-80 NM and
number 22 for needles 80-100 NM.
6.5.4 Rear needle protection
Pict. 22 Rear needle protection (1)